103021211312 has 20 divisors (see below), whose sum is σ = 199609262880. Its totient is φ = 51509143488.

The previous prime is 103021211299. The next prime is 103021211329. The reversal of 103021211312 is 213112120301.

It is a super-2 number, since 2×103021211312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694889 + ... + 830007.

It is an arithmetic number, because the mean of its divisors is an integer number (9980463144).

Almost surely, 2^103021211312 is an apocalyptic number.

It is an amenable number.

103021211312 is a deficient number, since it is larger than the sum of its proper divisors (96588051568).

103021211312 is a wasteful number, since it uses less digits than its factorization.

103021211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182780 (or 182774 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103021211312 its reverse (213112120301), we get a palindrome (316133331613).

The spelling of 103021211312 in words is "one hundred three billion, twenty-one million, two hundred eleven thousand, three hundred twelve".